Read body in parseRequest for HttpServer (#244)

Co-authored-by: Jay <jasoncarr@Jasons-MacBook-Pro.local>

ixwebsocket/IXHttp.cpp

@@ -129,8 +129,28 @@ namespace ix
         {
             return std::make_tuple(false, "Error parsing HTTP headers", httpRequest);
         }
+        
+        std::string body = "";
+        if (headers.find("Content-Length") != headers.end()){
+            
+            int contentLength = 0;
+            try {
+                contentLength = std::stoi(headers["Content-Length"]);
+            }
+            catch (std::exception){
+                return std::make_tuple(false, "Error parsing HTTP Header 'Content-Length'", httpRequest);
+            }
+            
+            char c;
+            body.reserve(contentLength);
+            
+            for (int i = 0; i < contentLength; i++){
+                if (socket->readByte(&c, isCancellationRequested))
+                    body += c;
+            }
+        }
 
-        httpRequest = std::make_shared<HttpRequest>(uri, method, httpVersion, headers);
+        httpRequest = std::make_shared<HttpRequest>(uri, method, httpVersion, body, headers);
         return std::make_tuple(true, "", httpRequest);
     }
 

ixwebsocket/IXHttp.h

@@ -95,15 +95,18 @@ namespace ix
         std::string uri;
         std::string method;
         std::string version;
+        std::string body;
         WebSocketHttpHeaders headers;
 
         HttpRequest(const std::string& u,
                     const std::string& m,
                     const std::string& v,
+                    const std::string& b,
                     const WebSocketHttpHeaders& h = WebSocketHttpHeaders())
             : uri(u)
             , method(m)
             , version(v)
+            , body(b)
             , headers(h)
         {
         }